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How to Configure Interface Splitting and Aggregate on DELL Z9100 Switches

Time: 2025-08-15
        Beforhand, we introduced the methods for configuring interface splitting and aggregating on DELL S5224F switches. On this test occasion, we will take the actual test of the Z9100-ON switch (Software Version: 9.11(0.0P6)) as an example to show you the configuration methods for splitting and aggregating QSFP interfaces on DELL PowerSwitch Z series switches:
        1. In the initial state of the device interfaces, the QSFP interface is in aggregated mode. View the interface can only see a independent interface, the default rate of 100G, can be configured to 40G.
        2. In global mode, execute the command "stack-unit stack-unit_number port port_number portmode quad speed speed". This command splits the aggregated QSFP interface, and the splitting modes can be single, 1-to-2, or 1-to-4. In 1-to-4 mode, and the speed can be selected as 10G or 25G. After executing the command, the split interface needs to be restarted to activate it.
        Note: If the interface configuration is not in the default state, you need to execute "default interface interface_type interface_number" to restore the interface to the device's default state.
        3. After configuring the interface as a split interface, when checking the interface, you can see that the originally independent single interface has been split into 4 logical 10G interfaces.
        4. In global mode, execute the command "no stack-unit stack-unit_number port port_number portmode quad speed speed". Similarly, before executing this command, the interface must be in the default configuration to cancel the interface splitting. This operation, the interface will merge back to the initial state of the device.
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